Core EM

A US-based emergency medicine podcast active since 2015, led by Dr Anand Swaminathan, providing brief yet high-yield updates on emergency medicine practice, evidence appraisals, and critical clinical insights.

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October 27, 2026

Episode 229: Iron Poisoning

Iron poisoning can progress from gastrointestinal injury through a deceptively quiet latent phase to acidosis, shock and liver failure. Management requires assessment of elemental iron exposure, appropriately timed serum concentrations and consideration of whole bowel irrigation or deferoxamine.

October 19, 2026

Episode 228: Tickborne Illnesses

Lyme disease, babesiosis, anaplasmosis and ehrlichiosis differ in transmission timing, clinical features and blood findings. An expanding red rash can establish early Lyme disease despite negative serology, while haemolysis, cytopenias and blood smear findings help distinguish other infections.

September 24, 2026

Episode 227: Diarrhea

Acute diarrhoea assessment should combine stool characteristics, exposures and volume status to guide selective testing and rehydration, with particular caution against antibiotics when Shiga toxin-producing E. coli is suspected and targeted treatment for Cyclospora.

August 13, 2026

Episode 226: Superwarfarin Toxicity

Haematuria accompanied by gingival bleeding, bruising or spontaneous internal haemorrhage should shift attention from local pathology to systemic coagulopathy. Superwarfarins inhibit vitamin K recycling for weeks to months, so major bleeding needs rapid factor replacement plus vitamin K, followed by prolonged oral treatment and serial international normalised ratio monitoring.

July 15, 2026

Episode 225: Group A Strep

Paediatric emergency, primary-care and infectious-diseases clinicians get an age-aware review of Group A streptococcal pharyngitis, scarlet fever, recurrent infection and chronic carriage. It cautions against using adult Centor criteria alone and highlights toxic appearance, focal pain, limp, bone or joint infection and shock as possible signs of invasive disease.

June 9, 2026

Episode 224: Kidney Stones

Severe flank pain radiating to the groin can still be renal colic when haematuria is absent. It pairs risk-matched imaging with NSAID-first analgesia where safe, and flags infection behind obstruction as needing rapid escalation.

May 16, 2026

Episode 223: Thyroid Storm

Fever, tachycardia, agitation, vomiting, jaundice or heart failure in severe hyperthyroidism is a clinical diagnosis before a laboratory threshold. Open this for treatment sequence: beta blockade, propylthiouracil, delayed iodine, steroids, fluids, cooling and trigger search.

March 24, 2026

Episode 221: High-Output Heart Failure

A breathless haemodialysis patient who stays warm,oedematous, and symptomatic after dialysis may have high-output heart failure rather than routine low-output decompensation. Preserved ejection fraction doesnot exclude the diagnosis, and AV fistula assessment with POCUS can prevent unsafe reflex nitrate use.

March 4, 2026

Episode 220: Post-ROSC Care

Start here. The episode keeps the first 5-10 minutes after ROSC in view, where re-arrest and shock still shape outcome. Early invasive monitoring, push-dose vasopressors, pragmatic MAP targets, and a deliberate search with labs, toxicology and pan-CT/CTA make it the clearest practical listen of the day.